I think it is D) Both processes involve energy transformations
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Antigens are proteins that are found on the surface of the pathogen and are viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles. Antigens are usually carried by proteins and polysaccharides, and less frequently, lipids but it also needs to be attached to a large carrier molecule which is usually a protein. When an antigen enters the body, the immune system produces antibodies against it. The Antigen stimulates the immune system to produce antibodies. YOUR WELCOME ;)
C is found in cell membranes
Answer:
cells part such as chloroplasts are self-replicating.
Answer:
In humans, blood group is determined by three alleles 
, 
, and 
.
and are co-dominant whereas is recessive to other two.
Thus, if a person with blood group O produces offspring with blood group B then the other parent must contain allele.
The genotype of other person can be 
, 
, or 
.
There is only one condition in which the person can have offspring with blood group O that is, when the other parent is .
In this condition, the probability of an offspring to have blood group O is 50%.
In other conditions, the probability of an offspring to have blood O is 0%.
